brag
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
English > Greek (Woodhouse)
verb intransitive
P. and V. μέγα λέγειν, μέγα εἰπεῖν, P. μεγαλαυχεῖσθαι, Ar. and P. ἀλαζονεύεσθαι, V. αὐχεῖν (also Thuc. but rare P.), ἐξαυχεῖν, εὔχεσθαι, ἐξεύχεσθαι, ἐξεπεύχεσθαι, ἐπεύχεσθαι (also Plato but rare P.), κομπεῖν (rare P.), κομπάζειν (rare P.); see boast.
substantive
P. μεγαλαυχία, ἡ, V. τὸ γαῦρον; see boast, boastfulness.
braggart, subs. Ar. .and P. ἀλαζών, ὁ or ἡ. V. κομπός, ὁ (Eur., Phoenissae 600).